Bart Notices That His Father, Homer, Is Usually in an Agreeable

question 120

Multiple Choice

Bart notices that his father, Homer, is usually in an agreeable mood after his mother, Marge, fixes him pork chops. However, Homer is quite grumpy after a meal of three-eyed fish. Bart has learned that it is much in his favor to ask Homer permission to do fun things on pork chop night and to avoid asking such questions when three-eyed fish is served. Bart is using the type of meal served as

• A)a discriminative conditioned stimulus.
• B)a secondary reinforcer.
• C)vicarious experience.
• D)negative reinforcement.

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Definitions:

Ectoderm

The outer germ layer of the early embryo; gives rise to the skin and nervous system. Compare with mesoderm and endoderm.

Protostomes

Animals that belong to the Protostomia, one of the major animal clades. Include the annelids, arthropods, and mollusks. Compare with deuterostomes.

Deuterostomes

A major group of animals characterized by their embryonic development, in which the anus forms before the mouth.

Spiral Cleavage

A distinctive spiral pattern of blastomere production in an early protostome embryo. Compare with radial cleavage.